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What are astronomers looking for during the total solar eclipse?

Name: What are astronomers looking for during the total solar eclipse?
Uploaded: 2017-08-21T10:54:07-0400
Duration: 4 min 51 s
Description: CBS News space consultant Bill Harwood is in Carbondale, Illinois, where the total solar eclipse will last 2 minutes and 40 seconds, the longest in the nation. He explains what researchers hope to learn during the event.

CBS News space consultant Bill Harwood is in Carbondale, Illinois, where the total solar eclipse will last 2 minutes and 40 seconds, the longest in the nation. He explains what researchers hope to learn during the event.